Blood Physiology Quiz
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Questions and Answers

What is the branch of science concerned with the study of blood, blood-forming tissues, & the disorders associated with them?

  • Hematology (correct)
  • Oncology
  • Immunology
  • Endocrinology
  • Which component of blood is described as a watery liquid extracellular matrix that contains dissolved substances?

  • Red blood cells
  • Platelets
  • White blood cells
  • Blood plasma (correct)
  • What is the percentage of total body mass that blood constitutes?

  • 8% (correct)
  • 12%
  • 10%
  • 5%
  • What is the function of blood in transporting substances?

    <p>Substances can be transported free in plasma, bound to plasma proteins, or within blood cells (D)</p> Signup and view all the answers

    Which cells are considered as formed elements in blood?

    <p>Red blood cells (RBC) (A)</p> Signup and view all the answers

    How does blood help in excretion of waste materials?

    <p>By transporting them from different parts of the body to kidney (D)</p> Signup and view all the answers

    What is the role of blood in maintaining body temperature?

    <p>Transporting heat to maintain proper temperature in different organs &amp; tissues, &amp; in the body as a whole (C)</p> Signup and view all the answers

    What is the function of platelets in blood?

    <p>Assisting in blood clotting (D)</p> Signup and view all the answers

    Which component of blood is responsible for transporting heat to maintain body temperature?

    <p>Plasma (B)</p> Signup and view all the answers

    Which leukocytes are considered as agranular leukocytes?

    <p>T &amp; B lymphocytes, Natural killer (NK) cells (C)</p> Signup and view all the answers

    Which type of leukocytes are classified as granular leukocytes?

    <p>Neutrophils, Eosinophils, Basophils (A)</p> Signup and view all the answers

    What is the branch of science concerned with the study of blood-forming tissues & disorders associated with them?

    <p>Hematology (A)</p> Signup and view all the answers

    Which of the following is a function of plasma proteins?

    <p>Transport of various substances like hormones and drugs (A)</p> Signup and view all the answers

    What is the normal oncotic pressure due to plasma proteins?

    <p>25 mmHg (C)</p> Signup and view all the answers

    Which plasma protein plays a key role in blood coagulation?

    <p>Fibrinogen (A)</p> Signup and view all the answers

    Where are most plasma proteins synthesized?

    <p>Liver (A)</p> Signup and view all the answers

    What is the function of albumin in the plasma?

    <p>Helps maintain colloid osmotic pressure and transports various substances (C)</p> Signup and view all the answers

    Which type of plasma protein is responsible for transporting fat-soluble vitamins?

    <p>Alpha globulin (D)</p> Signup and view all the answers

    What is the main function of fibrinogen in the plasma?

    <p>Contributing to blood coagulation (A)</p> Signup and view all the answers

    Which plasma protein contributes to about 50% of the viscosity of blood?

    <p>Fibrinogen (D)</p> Signup and view all the answers

    What is the primary function of plasma proteins in maintaining the volume of the vascular compartment?

    <p>Preventing loss of fluid from capillaries into interstitial tissue space (B)</p> Signup and view all the answers

    What is the main function of gamma globulins in the plasma?

    <p>Immunity as antibodies (D)</p> Signup and view all the answers

    What determines the erythrocyte sedimentation rate (ESR) in the plasma?

    <p>Concentration of fibrinogen (B)</p> Signup and view all the answers

    Which plasma protein forms a loose bond with hormones, drugs, and metals to serve as a 'reservoir'?

    <p>Albumin (A)</p> Signup and view all the answers

    Flashcards

    What is hematology?

    The study of blood, blood-forming tissues, and their associated disorders.

    What is blood plasma?

    The watery liquid part of blood, containing dissolved substances.

    What percentage of body mass is blood?

    8% of total body mass.

    How does blood transport substances?

    Blood transports substances like oxygen, nutrients, hormones, and waste products.

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    What are the formed elements in blood?

    Red blood cells, white blood cells (leukocytes), and platelets.

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    How does blood assist in waste removal?

    Blood carries waste products like urea and creatinine to the kidneys for excretion.

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    How does blood regulate body temperature?

    Blood helps regulate body temperature by transporting heat to different parts of the body.

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    What is the function of platelets in blood?

    Platelets help in blood clotting by forming a plug at the site of injury.

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    What component of blood is responsible for heat transport?

    Plasma is responsible for transporting heat throughout the body.

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    Which leukocytes are considered as agranular leukocytes?

    T & B lymphocytes and Natural killer (NK) cells.

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    Which leukocytes are considered as granular leukocytes?

    Neutrophils, Eosinophils, and Basophils.

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    What is the function of plasma proteins?

    Plasma proteins have various roles, including transporting substances like hormones and drugs.

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    What is the normal oncotic pressure due to plasma proteins?

    25 mmHg.

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    Which plasma protein is involved in blood coagulation?

    Fibrinogen plays a key role in blood coagulation by forming a network of fibers that traps blood cells.

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    Where are most plasma proteins synthesized?

    Most plasma proteins are synthesized in the liver.

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    What is the function of albumin in the plasma?

    Albumin helps maintain colloid osmotic pressure, which prevents fluid loss from blood vessels.

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    Which plasma protein is responsible for transporting fat-soluble vitamins?

    Alpha globulin is responsible for transporting fat-soluble vitamins (A, D, E, and K).

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    What is the main function of fibrinogen in the plasma?

    Fibrinogen contributes to blood coagulation by forming fibrin fibers, which help to form a clot.

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    Which plasma protein contributes to the viscosity of blood?

    Fibrinogen contributes to about 50% of the viscosity of blood.

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    What is the primary function of plasma proteins in vascular volume maintenance?

    Plasma proteins help maintain the volume of the vascular compartment by retaining fluid within the blood vessels.

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    What is the main function of gamma globulins in the plasma?

    Gamma globulins, also known as antibodies, provide immunity by binding to and neutralizing pathogens.

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    What determines the erythrocyte sedimentation rate (ESR)?

    The concentration of fibrinogen in the plasma determines the erythrocyte sedimentation rate (ESR).

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    Which plasma protein serves as a reservoir for some substances?

    Albumin forms a loose bond with hormones, drugs, and metals to serve as a reservoir.

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